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midterm 2 cont
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formula for cardiac output
Co=heart rateX Stroke volume
What causes the P wave
atria begins depolarizing (contracts/systole)
1) what causes the QRS wave
2) What valves close?
1) Atria repolarizes (relax),
ventricles depolarization(contraction)
-isovolumentric contraction of ventricles.
2) AV valves close
what causes the t wave, and which valves are closed
repolarization of the ventricles (relax).
-
Isovolumetric relaxation of ventrices
semilunar valves are closed.
What cause the heart beats heard?
sound 1 (S1) closure of AV valves
sound 2 (S2) closure of semilunar valves
What is the Quiescent period of the cardiac cycle?
-all chambers relax,
-AV valves open and blood flows into ventricles. .
Author
studysuccess
ID
315533
Card Set
midterm 2 cont
Description
midterm 2 cont
Updated
2016-07-19T00:28:11Z
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